Add release packages for v1.2.1, v1.2.2, and v1.2.3

Release packages with checksums:
- v1.2.1: Admin UI fixes and frontend display improvements
- v1.2.2: Variation UI styling, translations, checkbox rendering
- v1.2.3: Borderless tables and checkbox tooltip improvements

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

releases/wc-tier-and-package-prices-1.2.1.zip.md5

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+470f3d87ce3ab9eb5a4ddc4a7262d282  wc-tier-and-package-prices-1.2.1.zip

releases/wc-tier-and-package-prices-1.2.1.zip.sha256

@@ -0,0 +1 @@
+23e814583b71299f1d9e77c32ec0b9e88ce31c2ddf89a729282234c7f916ed2b  wc-tier-and-package-prices-1.2.1.zip

releases/wc-tier-and-package-prices-1.2.2.zip.md5

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+6c1bace109d1401832774668d85cf2c8  wc-tier-and-package-prices-1.2.2.zip

releases/wc-tier-and-package-prices-1.2.2.zip.sha256

@@ -0,0 +1 @@
+a8674027621bd62ae63c2b63ec33da177f514816c35b45b9788d8dd5edd2c6ec  wc-tier-and-package-prices-1.2.2.zip

releases/wc-tier-and-package-prices-1.2.3.zip.md5

@@ -0,0 +1 @@
+2ec8f0cbd01f1e77e0e61d84587025bd  wc-tier-and-package-prices-1.2.3.zip

releases/wc-tier-and-package-prices-1.2.3.zip.sha256

@@ -0,0 +1 @@
+ff4e7bd3db5de90e1481e3699cc2e69324046dd01d59c091e19540e3eb6cd0bd  wc-tier-and-package-prices-1.2.3.zip